Browse - Programming Tips - How can I convert a HashMap's values into a sorted ArrayList?
Date: 2016mar9 Language: Java Keywords: to Q. How can I convert a HashMap's values into a sorted ArrayList? A. ArrayList's constructor takes a HashSet so its pretty easy:HashMap<String,Integer> h = someCodeToMakeTheHash(); ArrayList<Integer> vals = new ArrayList<Integer>(h.values()); Collections.sort(vals);h.values() gives as HashSet.
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